20998968

素因数分解:

$2^3\times 3^1\times {\mathrm{874957}}^1$

素因数の和:874966

約数の個数: 16

約数和(自身を含む): 52497480

約数和(自身を除く): 31498512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 874957, 1749914, 2624871, 3499828, 5249742, 6999656, 10499484, 20998968]

約数ペア:

[(1, 20998968), (2, 10499484), (3, 6999656), (4, 5249742), (6, 3499828), (8, 2624871), (12, 1749914), (24, 874957)]